difference-equation: update for win32

- remove DllDefines since extension is now a static lib
- exports symbols are also removed
- add FIndVLE and FindGVLE scripts and rely on them for finding vle
and its gtkmm dependencies for win32
celldevs: update for win32

- remove DllDefines since extension is now a static lib
- exports symbols are also removed
- add FindVLE cmake script and rely on them for finding
vle on win32
cellqss : update for win32

- remove DllDefines since the extension is now a static lib
- exports symbols are also removed
- add FindVLE cmake script for findinf vle on win32
differential-equation: update for win32

- remove DllDefines since the extension is now a static lib
- exports symbols are also removed
- add a FindVLE script for finding vle on win32
- fix missing include (iostreams)
dsdevs: update for win32

- remove DllDefines since the extension is now a static lib
- export symbols are also removed
- add a FindVLE cmake script for finding vle on win32
fsa: update for win32

- remove DllDefines since the extension is now a static lib
- exports symbols are also removed
- add FindVLE and FindGVLE cmake scripts for finding vle on win32
- fix missing boost dependencies
petrinet: update for win32

- remove DllDefines since the extension is now a static lib
- exports symbols are also removed
- add a FindVLE and FindGVLE for finding vle on win32
forrester: update for win32

- add a FindGVLE cmake script for finding vle on win32
- fix missing boost dependencies
output: update for win32

add FindVLE and FindGVLE cmake scritps for finding vle on win32